Cellular base station



FIG. 1 is a perspective view of a cellular base station showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top view thereof.

The rear is not considered to be a part of my claimed design. 

The ornamental design for a cellular base station, as shown and described. 